33results about How to "Good radiolucency" patented technology

The invention discloses a composite bone plate of carbon fiber and polyether-ether-ketone and a preparation method thereof. The preparation method comprises the following steps: electrostatically spraying polyether-ether-ketone on each layer of carbon fiber cloth, overlapping the carbon fiber cloth in a mold layer by layer, closing the mold, performing mold pressing, cooling and opening the mold to take a product out, cleaning the product with a solvent, drying the product to obtain a block material, and performing CNC (Computer Numerical Control) machining on the block material according to a bone plate design drawing to obtain a bone plate blank; performing bio-safe coating treatment on the surface of the obtained bone plate. The bone plate has high biocompatibility; a biological coating is adopted, so that the biological security of medical implanting is enhanced; mechanical parameters are equivalent to those of a skeleton, so that the strength of the bone plate is closer to actual bone strength, the problem of adaption is solved, and the stress shielding effect caused by stress concentration is avoided; the bone plate has high X-ray penetrability, and is suitable for batch production.

The invention discloses a novel super heat conduction ceramic film composite material and a preparation method thereof, and belongs to the technical field of wave absorption function materials. The composite material is prepared from the following raw materials in parts by weight: 20 to 25 parts of fast soluble sodium silicate, 28 to 32 parts of crystal silicon, 4 to 8 parts of nanometer magnesia,13 to 17 parts of carbon fiber, 2 to 5 parts of boron fiber, 2 to 5 parts of silicic acid fiber, 8 to 12 parts of aluminum oxide powder and 23 to 28 parts of deionized water. The obtained material covers the surface of metal to isolate the metal from external media so as to block external high-temperature oxygen and corrosive substances; the metal pipe wall is effectively protected; the wave absorption performance is obvious; infrared radiation is generated; a good energy saving effect is achieved; the material is applied to the field of boilers; the energy is saved; the environment is protected; the operation of the boiler is safe; the boiler friction pipe blasting is reduced; the boiler hearth coking is reduced; the service life of the boiler is prolonged.

The invention discloses a method for manufacturing chain rigging with carbon fiber composite material, which belongs to the technical field of traction rigging. The purpose is to provide a method for manufacturing chain slings with carbon fiber composite materials with light weight, high strength, not easy to oxidize, good corrosion resistance to acid, alkali, salt spray, etc., and good fatigue resistance. The method includes the following steps: Step 1: a chain one-ring forming plan: including forming; pressing; curing; a chain second-ring forming plan: including forming; pressing; curing. The use of carbon fiber composite materials to make chain slings can solve the problems of poor continuous fatigue resistance encountered by original steel cable chains. The invention is especially suitable for the fields of shipboard helicopters, fighter jets, warships, civil ships, offshore oil exploitation and the like.

The invention provides a protection device for a moisture-proof underground cable, which belongs to the technical field of cables, and includes a moisture-proof underground cable and a protective sheath, and a moisture-proof underground cable, including a cable body. The cable body sequentially includes a guide core, an insulating layer I, and an inner liner layer, the first water-blocking layer, the metal sheath, the second water-blocking layer and the outer covering layer, there are multiple guide cores, the guide cores are covered with insulating layer II, and cross-linked polyolefin is filled between the guide cores, and the cross-linked polyolefin Carbon fiber is added, and the outer surface of the outer layer is coated with anti-corrosion materials; the protective sheath is set on the outside of the moisture-proof underground cable, including the protective sheath body. The shape of the protective sheath body is adapted to the shape of the moisture-proof underground cable, and the inner surface is concave. A structure that alternates with convex surfaces and is coated with anti-corrosion material. The invention improves and optimizes the structure of the protection device of the existing underground cable, so that the comprehensive performance of the cable is improved, especially the anti-corrosion performance is significantly improved, the water blocking performance is excellent, and the stability is strong.

The invention discloses an electric heating vacuum cup which comprises a cup body. The cup body comprises a cup cover, a cup main body and a cup base. The cup base comprises a first cup base and a second cup base. The two ends of the first cup base are detachably connected with the cup main body and the second cup base respectively. A heating assembly and a first conductive connecting port electrically connected with the heating assembly are arranged in the first cup base, the second cup base is a plug-in base disc, the plug-in base disc is connected with a power plug, a second conductive connecting port capable of being connected with the first conductive connecting port and starting the heating assembly to perform heating after power supply is arranged in the plug-in base disc, the cup main body is a cylinder with the upper end provided with an opening, the bottom of the cup main body is provided with a groove, a peripheral ring made of an insulating material is sleeved according to the diameter of the groove, and a heating disc can be connected to a heating layer through the groove. The cup cover is connected with the opening at the upper end of the cup main body through a thread. According to the electric heating vacuum cup, through ingenious design, outdoor exercise people's urgent requirements for a cup which is convenient to carry and can perform heating and heat insulation can be met.

The invention discloses a portable vacuum cup, comprising a cup, wherein the cup comprises a cup lid, a cup body and a cup bottom, the cup bottom comprises cup bottoms I and II, two ends of the cup bottom I are respectively connected with the cup body and the cup bottom II, and the cup bottom I is internally provided with a heating component and a first electric conduction connector that is electrically connected with the heating component; the cup bottom II is a plug-in chassis, the plug-in chassis is connected with a power plug, and the plug-in chassis is internally provided with a second electric conduction connector that can be connected with the first electric conduction connector and realize the start of the heating component to heat after power supply; the cup body is a cylinder of which the upper end is provided with an opening, the bottom of the cup body is provided with a groove, a peripheral quoit made from an insulating material is set therein through the diameter of the groove, and a heating disc can be connected to a heating layer through the groove; the cup lid is connected with the opening at the upper end of the cup body through threads, a cup handle is arranged on the outer side of the cup lid, and the cup handle can lead the cup lid to form a 30-degree to 40-degree angle with the horizontal plane after the cup lid is turned over. By an ingenious design, the portable vacuum cup can meet the requirement that the people doing outdoor exercise are eager to have a cup which is convenient to carry and can heat the vacuum cup.

The invention discloses a portable USB electric heating vacuum cup which comprises a cup base, a cup body and a cup cap, wherein the cup cap is connected with the upper opening of the cup body through threads; the cup base comprises a first cup base body and a second cup base body; two ends of the first cup base body are respectively connected with the cup body and the second cup base body through threads; a heat component and a first conductive connector which is electrically connected with the heating component are arranged on the first cup base body; the port of the first conductive connector is positioned at the bottom end of the first cup base body; the heat component is in close contact with a heating layer and a liner; the second cup base body is a detachable plugging base plate, and a second conductive connector is formed in the detachable plugging base plate; the second conductive connector is electrically connected with a USB data wire; the port of the first conductive port can be in matched connection with the second conductive connector to supply power; and the heat component is started to heat the heating layer and the liner. The portable USB electric heating vacuum cup has a smart design, has a good insulation effect for outdoor exercising people, is convenient to carry, has a heating function, and has generalization performance.

The invention discloses a carbon fiber composite material bone plate and a preparation method thereof. The preparation method specifically comprises the following steps of: coiling, stacking and laying up carbon fiber prepreg cloth according to the design, preheating, pre-forming, preheating and molding; cooling, feeding into a demolding table, opening the mold, taking out the product, cleaning and drying; performing CNC machining on a bulk material according to a bone plate design drawing so as to form a bone plate blank; and performing biosafety coating treatment on the surface of the obtained bone plate blank. The bone plate is high in biocompatibility; by virtue of biological coating, the biosafety of medical implants is improved; the bone plate is close to real bone strength; the various mechanical parameters are equivalent to those of bones, the adaptation problem is solved, and a stress-shielding effect caused by stress concentration is avoided; the carbon fiber composite material bone plate has excellent X-ray penetrability, can meet the nuclear magnetic resonance testing requirements and is suitable for batch production and low in cost.

The invention relates to a pedicle screw rod system. The pedicle screw rod system comprises a pedicle screw, a screw cap and a connecting rod, wherein the pedicle screw, the screw cap and the connecting rod are made of polyether-ether-ketone or polyether-ether-ketone composite materials through a 3D printing technology; the pedicle screw comprises a cylindrical screw head and a conical screw rod;a connecting hole is formed in the top of the screw head, and threads of the screw rod adopt anti-loosening and anti-pulling design; the screw cap comprises a connecting ring and a conical connectingshaft; the connecting shaft is arranged in the connecting hole in a penetrating mode and connected with the connecting hole in an interference fit mode; and the connecting rod is arranged in the connecting ring in a penetrating mode and pre-bent according to the physiological radian of a spine to be preset into various types with different lengths. According to the pedicle screw rod system, wasteof raw materials is reduced, the production cost is reduced, and the pedicle screw rod system is high in radiability and good in stability.

The invention discloses a portable electric heating thermos cup. The portable electric heating thermos cup comprises cup bases, a cup body and a cup cover, wherein the cup body is a cylinder provided with an open upper end and formed by a waterproof casing, a thermal insulating layer, a heating layer and a liner from outside to inside sequentially, and a cavity is formed between the thermal insulating layer and the heating layer; the cup cover is in threaded connection with the opening in the upper end of the cup body; the cup bases comprise a first cup base and a second cup base, two ends of the first cup base are in threaded connection with the cup body and the second cup base respectively, the first cup base is provided with a heating assembly and a first conductive connection port electrically connected with the heating assembly, and the port body of the first conductive connection port is formed in the bottom end of the first cup base; the second cup base is a detachable plug-in base plate, and a second conductive connection port is formed in the second cup base; the port body of the first conductive connection port can be in matched connection with the second conductive connection port, power supply is realized, and the heating assembly is started to heat the heating layer and the liner. By means of ingenious design, the urgent requirement of outdoor exercise crowds for a portable cup with heating and thermal insulation capabilities can be provided.

The invention discloses a new superconducting ceramic film composite material and a preparation method thereof, belonging to the technical field of wave-absorbing functional materials. The composite material is prepared from the following raw materials in parts by weight: 20-25 parts of instant sodium silicate , 28-32 parts of crystalline silicon, 4-8 parts of nano-magnesia, 13-17 parts of carbon fiber, 2-5 parts of boron fiber, 2-5 parts of silicate fiber, 8-12 parts of alumina powder, 23-23 parts of deionized water 28 servings. The obtained material is covered on the metal surface and isolated from the external medium to block the external high-temperature oxygen and corrosive substances, effectively protect the metal pipe wall, and has remarkable wave-absorbing performance, generates infrared radiation, and has a good energy-saving effect. It is used in boilers In the field of energy saving and environmental protection, the boiler can operate safely, reduce the friction and explosion of the boiler, reduce the coking of the boiler furnace, and prolong the service life of the boiler.

The invention belongs to the technical field of auto parts, in particular to a method for manufacturing a high-strength alloy wheel hub. A method for manufacturing a high-strength alloy wheel hub, comprising the following steps: A. making carbon fibers into strips with a diameter not greater than 1 cm; B. inserting the carbon fiber strips through the pores around the wheel hub mould, The fine hole on the top surface is inserted downward until it touches the bottom surface inside the hub mold; C. Inject the aluminum alloy solution into the hub mold with carbon fiber strips, and cool and form; D. Use an ultrasonic cutting device to clean the exposed hub mold E. Take out the formed aluminum alloy wheel hub from the wheel hub mold, and use the water cutting device to carry out secondary cutting on the wheel hub; F. Polish the aluminum alloy wheel hub obtained in step E, and use activated carbon to it The outer surface is coated. The appearance of the wheel hub produced by the invention is the same as that of the traditional wheel hub, but its strength is very high, and the situation of fracture will not occur.

The invention relates to the technical field of medical apparatuses and instruments, in particular to a meshy degradable blood vessel stent and a preparation method thereof. The meshy degradable blood vessel stent is woven by degradable polymer filaments and has a certain shape; the filament is composed of degradable polymer and a certain content of auxiliary agent; a degradable polymer solution containing a drug and / or an X-ray developer forms a film on the surface of the meshy stent; and the degradable blood vessel stent has an automatically swelling function, has enough intensity to resistthe resilience force of the arterial wall, and can automatically degrade after finishing a certain time of mechanical support on the organ tube wall; and the degraded product has no toxic and side effect on the tissue, thus a secondary operation for taking out the conduit is unnecessary, and the treatment and diagnosis on the vascular diseases are enhanced through coating the drug or the X-ray developer.

The invention discloses a portable electric heating thermos cup with a socket. The portable electric heating thermos cup with the socket comprises a cup body. The cup body comprises a cup lid, a cup main body and a cup bottom. The cup bottom comprises a first cup bottom body and a second cup bottom body. The two ends of the first cup bottom body are connected with the cup main body and the second cup bottom body separately. A heating assembly and a first conductive connector electrically connected with the heating assembly are arranged inside the first cup bottom body. A plug-in type base plate serves as the second cup bottom body and is connected with a power plug, and a second conductive connector which can be connected with the first conductive connector to start the heating assembly for heating after power is supplied is arranged inside the plug-in type base plate. A cylinder with an opening upper end serves as the cup main body, a groove is formed in the bottom of the cup main body, a peripheral ring made of insulating material is arranged in a sleeving mode according to the diameter of the groove, and the heating plate can be connected to the a heating layer through the groove. The cup lid is in threaded connection with the upper end opening of the cup main body, a cup handle is arranged on the outer side of the cup main body, and the cup handle makes a certain angle be formed between the cup main body and the horizontal plane after the cup main body is tipped over. The requirement that outdoor sport people are in urgent need of the cup convenient to carry and capable of achieving heating and heat preservation can be met through ingenious design.

The invention discloses a composite bone plate of carbon fiber and polyether-ether-ketone and a preparation method thereof. The preparation method comprises the following steps: electrostatically spraying polyether-ether-ketone on each layer of carbon fiber cloth, overlapping the carbon fiber cloth in a mold layer by layer, closing the mold, performing mold pressing, cooling and opening the mold to take a product out, cleaning the product with a solvent, drying the product to obtain a block material, and performing CNC (Computer Numerical Control) machining on the block material according to a bone plate design drawing to obtain a bone plate blank; performing bio-safe coating treatment on the surface of the obtained bone plate. The bone plate has high biocompatibility; a biological coating is adopted, so that the biological security of medical implanting is enhanced; mechanical parameters are equivalent to those of a skeleton, so that the strength of the bone plate is closer to actual bone strength, the problem of adaption is solved, and the stress shielding effect caused by stress concentration is avoided; the bone plate has high X-ray penetrability, and is suitable for batch production.